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KeyloggerĪlso known as a keystroke logger, keyloggers can track the real-time activity of a user on his computer. RootkitĪ rootkit is a computer program designed to provide continued privileged access to a computer while actively hiding its presence. Once a rootkit has been installed, the controller of the rootkit will be able to remotely execute files and change system configurations on the host machine. An individual computer is called ‘zombie computer’. The result of this threat is the victim’s computer, which is the bot will be used for malicious activities and for a larger scale attack like DDoS. BotnetĪ botnet is a group of computers connected to the internet, that have been compromised by a hacker using a computer virus.
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Phishingĭisguising as a trustworthy person or business, phishers attempt to steal sensitive financial or personal information through fraudulent email or instant messages. Phishing in unfortunately very easy to execute. You are deluded into thinking it’s the legitimate mail and you may enter your personal information. The potential risk here is that it will use up your computer hard disk space because a worm can replicate in greate volume and with great speed.
COMPUTER NETWORK SECURITY IN HINDI PDF SOFTWARE
Computer WormĪ computer worm is a software program that can copy itself from one computer to another, without human interaction. The ultimate goal of a virus is to ensure that the victim’s computer will never be able to operate properly or even at all. It replicates itself and infects the files and programs on the user’s PC. The most harmful types of computer security are: VirusesĪ computer virus is a malicious program which is loaded into the user’s computer without user’s knowledge. Computer security threatsĬomputer security threats are possible dangers that can possibly hamper the normal functioning of your computer. In the present age, cyber threats are constantly increasing as the world is going digital. Now moving forward with this ‘What is Computer Security?” article let’s look at the most common security threats. In simple language, computer security is making sure information and computer components are usable but still protected from people or software that shouldn’t access it or modify it. Availability is protecting information from being modified by unauthorized parties.Integrity is protecting information from being modified by unauthorized parties.
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